These interactive activities develop the concept of fractions as parts of a whole, and provide practice in writing and comparing fractions. The activities prompt students to answer questions by fillin...More: lessons, discussions, ratings, reviews,...

Fraction Darts is a Microworlds Applet activity that challenges students to pop a balloon situated on a number line from 0 to 1 by throwing fractional darts. The student sets a numerator and denomi...More: lessons, discussions, ratings, reviews,...

This problem deals with basic addition of fractions. However, some of the questions also encourage students to investigate different ways to get the fractions to add up to 1. By multiplying all the fr...More: lessons, discussions, ratings, reviews,...

This problem deals with basic addition of fractions. In addition, the second question brings up basic ideas of calculus, i.e. using smaller and smaller rectangles to approximate an irregular shape. Th...More: lessons, discussions, ratings, reviews,...

This problem allows students to investigate the properties of fractions. The applet allows a visual representations of basic properties of fractions, and makes it easier to see things like the fact th...More: lessons, discussions, ratings, reviews,...

In this lesson, the students expand the number of fractions they can represent with pattern blocks by increasing the whole. Instead of representing the whole with one yellow hexagon, the students expl...More: lessons, discussions, ratings, reviews,...

These interactive activities develop the concept of fractions as parts of a whole, and provide practice in writing and comparing fractions. The activities prompt students to answer questions by fillin...More: lessons, discussions, ratings, reviews,...

This is a teacher information page to accompany the Fraction Darts Microworlds Applet activity. The activity challenges students to pop a balloon situated on a number line from 0 to 1 by throwing frac...More: lessons, discussions, ratings, reviews,...

In this lesson, the students use a fraction applet to construct various fractions when given the fraction in standard form. This lesson promotes problem solving, reasoning, and multiple representation...More: lessons, discussions, ratings, reviews,...

This lesson focuses on the identification of fractional parts of a region and records them in standard form. Students continue to develop communication skills by working together to express their unde...More: lessons, discussions, ratings, reviews,...

The Rational Number Project (RNP) is a cooperative research and
development project funded by the National Science Foundation. Project
personnel have been investigating children’s learning of fracti...More: lessons, discussions, ratings, reviews,...

Lesson plan accompanying Jacobo Bulaevsky's Fraction Bars applet. The lesson teaches students to see how fractions are related to a unit whole, to use a model to compare fractional parts of a whole, a...More: lessons, discussions, ratings, reviews,...

In this lesson, students use an actual ruler to represent various fractions as lengths. This lesson builds on the work done in the previous lesson with nonstandard measurement as students use a standa...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.